02031 numbers in London
Numbers beginning 02031 are part of the London dialling area, whose area code is 020. Ofcom’s numbering data lists 100 number ranges starting 02031, allocated to 33 providers. The largest holder is BT, with 33% of them.
Who were 02031 ranges given to?
Providers Ofcom allocated these number ranges to.
- BT33 ranges
- Vodafone Ltd (C&W)10 ranges
- Verizon UK Limited9 ranges
- Not allocated to a provider6 ranges
- Colt Technology Services5 ranges
- Six Degrees Technology Group Limited4 ranges
- Alphatalk Limited3 ranges
- Virgin Media Limited2 ranges
- GCI Network Solutions Limited2 ranges
- Citrus Telecommunications Ltd2 ranges
- 24 Seven Cloud Communications Ltd1 range
- AQL Wholesale Ltd1 range
+ 22 more
Range status
How Ofcom lists the ranges starting 02031.
Allocations by year
Explore by the next digit
Each block below starts 02031. Pick one to narrow it down.
What a 02031 number tells you
What it is
Ordinary landline numbers tied to a place. The area code tells you which dialling area the number was issued for – 0161 is Manchester, 020 is London, 01388 is Bishop Auckland.
What it costs
Charged as a normal UK call and usually included in landline and mobile allowances.
Watch out for
A local-looking number feels familiar, which is exactly why scammers spoof them. A local area code is not proof the caller is local.
02031 numbers: common questions
Where is the 020 area code?
020 is the UK dialling code for London. Calls from a 020 number were made from a phone line issued for that area – although caller ID can be faked, so a local code is not proof the caller is local.
Who owns 02031 numbers?
Ofcom allocated the ranges starting 02031 to BT, Vodafone Ltd (C&W), Verizon UK Limited and others. Numbers can be moved between providers, so this shows who the range was originally given to – not who is using a particular number today.
How do I call a 02031 number from abroad?
Replace the leading 0 with +44. For example, a number starting 020 becomes +44 20 followed by the rest of the number.
How much does it cost to call a 02031 number?
Charged as a normal UK call and usually included in landline and mobile allowances.
Is a call from a 02031 number a scam?
A local-looking number feels familiar, which is exactly why scammers spoof them. A local area code is not proof the caller is local. Check the full number on Who’s Calling to see if it belongs to a verified business and what other people have reported.
Did a 02031 number call you?
Check the full number to see if it belongs to a verified UK business and what other people have reported.
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